Senior Database Engineer

Selby Jennings; Chicago (IL); On-site; USD 120,000 - 190,000; Full time

Job summary

Selby Jennings is seeking a Senior Database Engineer to manage PostgreSQL and Oracle infrastructure across enterprise environments. You will focus on reliability, performance, scalability, and operational support.

You will collaborate with software engineers and infrastructure teams to optimize design, implement backups, ensure high availability, and drive automation for production systems.

Qualifications

• 5+ years of database engineering or administration experience with PostgreSQL.
• Oracle database experience preferred.
• Strong Linux/Unix administration skills.
• Experience with replication, clustering, failover, and high-availability technologies.
• Expertise in database monitoring, tuning, and troubleshooting.
• Knowledge of storage infrastructure and SAN technologies is a plus.
• Strong analytical and problem-solving abilities.
• Experience supporting business-critical production environments.
• Familiarity with SDLC, source control, and change management practices.
• Excellent communication and collaboration skills.

Responsibilities

• Manage, support, and optimize PostgreSQL and Oracle databases.
• Monitor database health and perform performance tuning and query optimization.
• Build and maintain production and non-production database environments.
• Oversee backup, recovery, replication, and high-availability solutions.
• Partner with infrastructure teams on capacity planning and system performance initiatives.
• Work closely with software engineers to improve database design and efficiency.
• Troubleshoot complex database and platform issues.
• Drive improvements to database architecture, automation, and operational processes.

Skills

PostgreSQL

Oracle

Linux/Unix

Replication

Clustering

Failover

High availability

Monitoring

Tuning

Troubleshooting

Storage/SAN

SDLC

Source control

Change management

Communication

Collaboration

Self-motivation

Job description

A leading financial firm is looking for a Senior Database Engineer to manage and evolve critical PostgreSQL and Oracle database infrastructure. This role will focus on database reliability, performance, scalability, and operational support across enterprise environments.

Responsibilities

• Manage, support, and optimize PostgreSQL and Oracle databases.
• Monitor database health and perform performance tuning and query optimization.
• Build and maintain production and non-production database environments.
• Oversee backup, recovery, replication, and high-availability solutions.
• Partner with infrastructure teams on capacity planning and system performance initiatives.
• Work closely with software engineers to improve database design and efficiency.
• Troubleshoot complex database and platform issues.
• Drive improvements to database architecture, automation, and operational processes.

Requirements

• 5+ years of database engineering or administration experience with PostgreSQL.
• Oracle database experience preferred.
• Strong Linux/Unix administration skills.
• Experience with replication, clustering, failover, and high-availability technologies.
• Expertise in database monitoring, tuning, and troubleshooting.
• Knowledge of storage infrastructure and SAN technologies is a plus.
• Strong analytical and problem-solving abilities.
• Experience supporting business-critical production environments.
• Familiarity with SDLC, source control, and change management practices.
• Excellent communication and collaboration skills.
• Self-motivated with a demonstrated ability to learn and adapt quickly.